package com.hue.intercept;


import com.hue.entity.User;
import com.hue.utils.CookieUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class IsLoginInterception implements HandlerInterceptor {
    @Autowired
    private RedisTemplate redisTemplate;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        Cookie cookie = CookieUtils.getCookieByName(request, "token");
        if(cookie==null){
            response.sendRedirect("/login/toLogin");
        }
        //根据cookie获取登录信息
        Object o = redisTemplate.opsForValue().get("user:"+cookie.getValue());
        if (o == null) {
            response.sendRedirect("/login/toLogin");
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {

    }
}
